For each measuring point requirement the optimum thermowell

Thermowells from WIKA are used with demanding operating conditions both in solid-machined versions from solid-body material and in fabricated versions with tubular design. The variants offered differ mainly in their designs; with flanges, with threads for screwing in or for welding in. Furthermore, all connections for sanitary applications and also thermowells in solid-machined Vanstone design are available without weld seams. The selection of materials and the manufacturing of the thermowells in accordance with global standards or to customer specifications ensure optimal protection for the sensor.

Sales contact

WIKA Merna Tehnika d.o.o.

Tel.:
+381 11 2763 722
info@wika.rs

FAQ

Why do some users specify a polished thermowell surface, and others define a high roughness or knurling of the area in the flow?

This depends on the usage of the thermowell.  A polished surface has a higher corrosion resistance than a rough surface.  The rough or knurled surface has an advantage with respect to the vibrational excitation by the Karman vortex street, meaning such th ... More

Can the calculations per ASME PTC 19.3 TW-2016 be used for one-piece and fabricated thermowells?

No. The calculation per ASME PTC 19.3 TW-2016 is only used for one-piece thermowells in tapered, straight or stepped designs from solid materials, such as Model TW10, TW15, TW20, etc.

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